CN113520739A - Portable folding electric wheelchair with shock-absorbing function - Google Patents
Portable folding electric wheelchair with shock-absorbing function Download PDFInfo
- Publication number
- CN113520739A CN113520739A CN202110414262.2A CN202110414262A CN113520739A CN 113520739 A CN113520739 A CN 113520739A CN 202110414262 A CN202110414262 A CN 202110414262A CN 113520739 A CN113520739 A CN 113520739A
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- CN
- China
- Prior art keywords
- frame
- shock
- electric wheelchair
- front wheel
- portable folding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
- A61G5/085—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding up and down, e.g. reducing or expanding the overall height of the wheelchair
- A61G5/0858—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding up and down, e.g. reducing or expanding the overall height of the wheelchair comprising a scissor-type frame, e.g. having pivoting cross bars for enabling folding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0866—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable folding down backrest, e.g. where the backrest folds down onto the seat support
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1081—Parts, details or accessories with shock absorbers or other suspension arrangements between frame and seat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
- A61G2203/723—Impact absorbing means, e.g. bumpers or airbags
Abstract
The invention provides a portable folding electric wheelchair with a damping function, which relates to the field of electric wheelchairs and comprises a pedal assembly and a front wheel support frame, wherein a frame connecting assembly is arranged on one side of the front wheel support frame, which is far away from the pedal assembly, and is rotatably installed with the front wheel support frame through a second rotating shaft k, damping springs are installed at two sides of the tail end of the frame connecting assembly, the lower ends of the damping springs are rotatably connected with the frame connecting assembly through a fifteenth rotating shaft, and a seat cushion frame is installed at the upper ends of the damping springs through a fifth rotating shaft The disabled can provide convenience for life, ensure the comfort and safety of users and have high practicability.
Description
Technical Field
The invention relates to the field of electric wheelchairs, in particular to a portable folding electric wheelchair with a damping function.
Background
The electric wheelchair mainly refers to a wheelchair driven by electric power, and is a transportation tool and an auxiliary tool for riding instead of walking, can be folded without disassembling a battery, and is convenient to carry and store. Nowadays, the electric wheelchair becomes an indispensable tool for riding instead of walk for the elderly and the disabled with inconvenient actions, the applicable objects are very wide, and the electric wheelchair is a more appropriate choice to use as long as the consciousness of the user is clear and the cognitive ability is normal. At present, most foldable electric wheelchairs in the electric wheelchair market are complex in structure, the processing technology, the welding technology and the assembling technology increase great difficulty, and meanwhile, the weight and the size of the whole vehicle are increased, and the appearance attractiveness of the whole vehicle is affected.
Most electric wheelchairs on the market at present have higher requirements on driving road conditions, and are only suitable for running on concrete, asphalt and pavements with flat indoor floor surfaces. Particularly, when the electric wheelchair passes through a deceleration strip on a road or the road with rough and uneven ground and other roads with unfavorable driving road conditions, the requirement on the damping function of the electric wheelchair is higher and higher.
Disclosure of Invention
The invention aims to provide a portable folding electric wheelchair with a damping function, and the portable folding electric wheelchair is used for solving the technical problems.
In order to solve the technical problems, the invention adopts the following technical scheme: a portable folding electric wheelchair with a damping function comprises a pedal assembly and a front wheel support frame, wherein the pedal assembly is rotatably installed with the front wheel support frame through a first rotating shaft k, one side, far away from the pedal assembly, of the front wheel support frame is provided with a frame connecting assembly, the frame connecting assembly is rotatably installed with the front wheel support frame through a second rotating shaft k, damping springs are installed at two side positions of the tail end of the frame connecting assembly, the lower ends of the damping springs are rotatably connected with the frame connecting assembly through a fifteenth rotating shaft, the upper ends of the damping springs are provided with a cushion frame through a fifth rotating shaft, a backrest assembly is installed at the rear part of the cushion frame through a twelfth rotating shaft, a short connecting rod is installed between the lower end of the backrest assembly and the frame connecting assembly, one end of the short connecting rod is connected with the backrest assembly through a thirteenth rotating shaft, the other end of the connecting rod is connected with the frame connecting assembly through a fourteenth rotating shaft;
the left side and the right side of the seat cushion frame are upwards provided with armrest supports through an eighth rotating shaft, the upper ends of the armrest supports are provided with armrest supporting seats through a ninth rotating shaft, armrest components are arranged on the armrest supporting seats through a tenth rotating point, the rear ends of the armrest components are connected with the backrest components through an eleventh rotating shaft, a rear connecting rod component is arranged below the frame connecting component and is connected with the motor supporting frame through a sixteenth rotating shaft at a rotating point, the lower side of the upper end of the motor supporting frame is connected with the front wheel supporting frame through a third rotating shaft, the upper side of the upper end of the motor supporting frame is connected with the seat cushion frame through a fourth rotating shaft, the lower extreme fixed mounting of motor support frame has the motor mounting panel, install the rear wheel motor on the motor mounting panel, frame coupling assembling installs on the motor support frame through the sixth rotation axis.
Preferably, four connecting hole sites are arranged on the motor mounting plate.
Preferably, a sliding groove penetrates through and is formed in the side wall of the motor support frame, and the sixth rotating shaft is in sliding fit with the sliding groove.
Preferably, universal wheels are installed on two sides of the lower end of the front wheel supporting frame.
Preferably, the seat cushion frame and the backrest assembly are both metal frames, and sponge cushion layers are mounted on the seat cushion frame and the backrest assembly.
Preferably, an operating lever is mounted at an end position of the armrest assembly.
Preferably, the damping spring can be reasonably matched with different pounds according to different body weights of each driver.
Preferably, the damping spring is a damping of an innerspring.
The invention has the beneficial effects that:
according to the invention, through the arrangement of the seat cushion frame, the backrest component and the front wheel support frame, a good supporting effect can be performed on a user, the wheelchair is comfortable, through the arrangement of the damping spring, the shock can be well relieved, so that the user can easily drive on various rugged and uneven ground when sitting on the wheelchair, and the comfort in the driving process is ensured, through the arrangement of a plurality of rotating shafts, all parts of the wheelchair are rotatably connected together, the wheelchair can be conveniently and rapidly folded and unfolded, the folding wheelchair does not occupy space after being folded and is convenient to carry, the folding operation of the vehicle is flexible and simple, compared with the traditional portable folding electric wheelchair, the spring damping with the damping function is increased, a certain protection and buffering effect is performed on drivers of the electric wheelchair and the electric wheelchair, and the driving comfort of the driver is increased through the possibility of adverse road conditions such as bumpy roads and the like, the multifunctional electric heating cooker is simple in structure and convenient to use, can provide convenience for the life of the old and the disabled, ensures the comfort and the safety of a user, and is high in practicability.
Drawings
FIG. 1 is a schematic perspective view of a portable foldable electric wheelchair with shock absorption function according to the present invention;
FIG. 2 is a schematic perspective view of the seat frame and back assembly of the present invention;
FIG. 3 is a schematic perspective view of the motor support frame of the present invention;
FIG. 4 is a schematic view of the electric wheelchair of the present invention after being folded;
reference numerals: 1. a footrest assembly; 2. a front wheel support frame; 3. a frame connection assembly; 4. a seat cushion frame; 5. an armrest assembly; 6. an armrest support; 7. a backrest assembly; 8. a handrail support seat; 9. a damping spring; 10. a short connecting rod; 11. a rear connecting rod assembly; 12. a motor support frame; 121. a motor mounting plate; 13. a rear wheel motor; k1, a first rotation axis; k2, second rotation axis; k3, third rotation axis; k4, fourth rotation axis; k5, fifth rotation axis; k6, sixth rotation axis; k7, seventh rotation axis; k8, eighth rotation axis; k9, ninth rotation axis; k10, tenth rotation axis; k11, eleventh rotation axis; k12, twelfth rotation axis; k13, thirteenth rotation axis; k14, fourteenth rotation axis; k15, fifteenth axis of rotation.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, a portable folding electric wheelchair with shock absorption function comprises a pedal assembly 1 and a front wheel support 2, the pedal assembly 1 is rotatably mounted with the front wheel support 2 through a first rotating shaft k1, a frame connecting assembly 3 is disposed on one side of the front wheel support 2 away from the pedal assembly 1, the frame connecting assembly 3 is rotatably mounted with the front wheel support 2 through a second rotating shaft k2, shock absorbing springs 9 are mounted at two sides of the end of the frame connecting assembly 3, the lower ends of the shock absorbing springs 9 are rotatably connected with the frame connecting assembly 3 through a fifteenth rotating shaft k15, a seat cushion frame 4 is mounted at the upper ends of the shock absorbing springs 9 through a fifth rotating shaft k5, a backrest assembly 7 is mounted at the rear of the seat cushion frame 4 through a twelfth rotating shaft k12, a short connecting rod 10 is mounted between the lower end of the backrest assembly 7 and the frame connecting assembly 3, one end of the short connecting rod 10 is connected with the backrest assembly 7 through a thirteenth rotating shaft k13, the other end is connected with the frame connecting component 3 through a fourteenth rotating shaft k 14;
the left side and the right side of the seat cushion frame 4 are upwards provided with the armrest support 6 through an eighth rotating shaft k8, the upper end of the armrest support 6 is provided with an armrest support seat 8 through a ninth rotating shaft k9, the armrest assembly 5 is installed through a tenth rotating point k10 on the armrest support seat 8, the rear end of the armrest assembly 5 is connected with the backrest assembly 7 through an eleventh rotating shaft k11, a rear connecting rod assembly 11 is arranged below the frame connecting assembly 3, the rear connecting rod assembly 11 is connected with the motor support frame 12 through a sixteenth rotating point k16, the lower side of the upper end of the motor support frame 12 is connected with the front wheel support frame 2 through a third rotating shaft k3, the upper side of the upper end of the motor support frame 12 is connected with the seat cushion frame 4 through a fourth rotating shaft k4, the lower end of the motor support frame 12 is fixedly provided with a motor mounting plate 121, the rear wheel motor 13 is installed on the motor mounting plate 121, and the frame connecting assembly 3 is installed on the motor support frame 12 through a sixth rotating shaft k 6.
The side wall of the motor support frame 12 is provided with a sliding groove 14 in a penetrating manner, and the sixth rotating shaft k6 is in sliding fit with the sliding groove 14.
The working principle is as follows:
when the electric wheelchair is in normal use, the sixth rotating shaft k6 is located at the leftmost end of the sliding chute 14, the backrest module 7, the seat cushion frame 4 and the front wheel support frame 2 are all in the unfolded state, the user of the wheelchair sits on the seat cushion of the seat cushion frame 4, and the electric wheelchair can be controlled to move through the operating lever at the end of the armrest module 5.
When the whole electric wheelchair needs to be folded, the backrest assembly 7 is pulled upwards, the seat cushion frame 4 and the damping spring 9 are linked to move upwards through the twelfth rotating shaft k12 and the fifth rotating shaft k5 respectively, the damping spring 9 is linked, meanwhile, the frame connecting assembly 3 is linked through the fifteenth rotating shaft k15, when the frame connecting assembly 3 moves in the slide groove 14 through the sixth rotating shaft k6 on the motor support frame 12, so that when the sixth rotation axis K6 is moved to the K7 sitting position, the seat cushion frame 4 rotates about the fourth rotation axis K4, the backrest module 7 rotates via the twelfth rotation axis K12, the frame connecting module 3 links the footrest module 1 and the front wheel support frame 2 to rotate via the third rotation axis K3, meanwhile, the frame connecting assembly 3 is linked with the backrest assembly 7 and the short connecting rod 10 to rotate through a thirteenth rotating shaft k13 and a fourteenth rotating shaft k14, so that the folding of the whole bicycle is completed.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a portable folding electronic wheelchair with shock-absorbing function, includes pedal subassembly (1) and front wheel support frame (2), its characterized in that:
pedal subassembly (1) rotates the installation through first rotation axis (k1) and front wheel support frame (2), one side that pedal subassembly (1) was kept away from in front wheel support frame (2) is provided with frame coupling assembling (3), frame coupling assembling (3) rotate the installation through second rotation axis (k2) and front wheel support frame (2), damping spring (9) are installed to the terminal both sides position of frame coupling assembling (3), damping spring's (9) lower extreme is rotated with frame coupling assembling (3) through fifteenth rotation axis (k15) and is connected, cushion frame (4) are installed through fifth rotation axis (k5) in damping spring's (9) upper end, back subassembly (7) are installed through twelfth rotation axis (k12) at the rear of cushion frame (4), install short connecting rod (10) between the lower extreme of back subassembly (7) and frame (3), one end of the short connecting rod (10) is connected with the backrest component (7) through a thirteenth rotating shaft (k13), and the other end of the short connecting rod is connected with the frame connecting component (3) through a fourteenth rotating shaft (k 14);
the left side and the right side of the seat cushion frame (4) are upwards provided with armrest supports (6) through eighth rotating shafts (k8), the upper ends of the armrest supports (6) are provided with armrest supporting seats (8) through ninth rotating shafts (k9), the armrest supporting seats (8) are provided with armrest components (5) through tenth rotating points (k10), the rear ends of the armrest components (5) are connected with a backrest component (7) through eleventh rotating shafts (k11), a rear connecting rod component (11) is arranged below the frame connecting component (3), the rear connecting rod component (11) is connected with a motor supporting frame (12) through sixteenth rotating shafts (k16) of rotating points, the lower side of the upper end of the motor supporting frame (12) is connected with the front wheel supporting frame (2) through third rotating shafts (k3), the upper side of the upper end of the motor supporting frame (12) is connected with the seat cushion frame (4) through fourth rotating shafts (k4), the lower extreme fixed mounting of motor support frame (12) has motor mounting panel (12-1), install rear wheel motor (13) on motor mounting panel (12-1), frame coupling assembling (3) are installed on motor support frame (12) through sixth rotation axis (k 6).
2. The portable folding electric wheelchair with a shock-absorbing function as claimed in claim 1, wherein: the motor mounting plate (12-1) is provided with four connecting hole sites.
3. The portable folding electric wheelchair with a shock-absorbing function as claimed in claim 1, wherein: the lateral wall of the motor support frame (12) is provided with a sliding groove (14) in a penetrating mode, and the sixth rotating shaft (k6) is in sliding fit with the sliding groove (14).
4. The portable folding electric wheelchair with a shock-absorbing function as claimed in claim 1, wherein: universal wheels are mounted on two sides of the lower end of the front wheel supporting frame (2).
5. The portable folding electric wheelchair with a shock-absorbing function as claimed in claim 1, wherein: the seat cushion frame (4) and the backrest component (7) are metal frames, and sponge cushion layers are mounted on the seat cushion frame (4) and the backrest component (7).
6. The portable folding electric wheelchair with a shock-absorbing function as claimed in claim 1, wherein: and the end part of the armrest component (5) is provided with an operating rod.
7. The portable folding electric wheelchair with a shock-absorbing function as claimed in claim 1, wherein: the damping spring (9) can be reasonably matched with different pounds according to different body weights of each driver.
8. The portable folding electric wheelchair with a shock-absorbing function as claimed in claim 1, wherein: the damping spring (9) is used for damping the built-in spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110414262.2A CN113520739A (en) | 2021-04-16 | 2021-04-16 | Portable folding electric wheelchair with shock-absorbing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110414262.2A CN113520739A (en) | 2021-04-16 | 2021-04-16 | Portable folding electric wheelchair with shock-absorbing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113520739A true CN113520739A (en) | 2021-10-22 |
Family
ID=78095308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110414262.2A Pending CN113520739A (en) | 2021-04-16 | 2021-04-16 | Portable folding electric wheelchair with shock-absorbing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113520739A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259345A (en) * | 2021-12-01 | 2022-04-01 | 佛山市南海德洋创展康复器材有限公司 | Wheelchair convenient to fold and having damping function |
-
2021
- 2021-04-16 CN CN202110414262.2A patent/CN113520739A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259345A (en) * | 2021-12-01 | 2022-04-01 | 佛山市南海德洋创展康复器材有限公司 | Wheelchair convenient to fold and having damping function |
| CN114259345B (en) * | 2021-12-01 | 2023-10-31 | 佛山市南海德洋创展康复器材有限公司 | Wheelchair convenient to fold and having damping function |
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